The most popular way to get a loud alarm is through dedicated apps that utilize high-frequency sounds and irregular patterns that are harder for the brain to ignore.
Widely considered one of the loudest apps, Alarmy can produce sounds up to 50% louder than your phone's default settings. It includes "missions"—like solving math problems or taking a photo of your bathroom sink—to ensure you're actually awake before the sound stops. free download of loud alarm clock
An open-source option that allows you to wake up to specific loud playlists on Spotify. The most popular way to get a loud
This app is dedicated to sheer volume, using specialized audio files designed to be the loudest possible on iPhone hardware . free download of loud alarm clock